Find flights
Deals
Airlines

£67+ Cheap flights from San Francisco

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SFO — LHR
25 Mar — 1 Apr1
1 adult
1 adult, Economy, 0 bags

What to know about flights from San Francisco

Discover essential information about flights departing from San Francisco, including flight schedules, destinations, airlines operating at the San Francisco airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 23 February 2026.

Cheapest one-way flight

£31

Cheapest round-trip flight

£450

Cheapest airline

Frontier

Most popular destination

London Heathrow (LHR)

Good round-trip deal

£70 or less

Good one-way deal

£53 or less
The cheapest one-way flight from San Francisco is currently to Los Angeles.
Search Deals
The cheapest round-trip flight from San Francisco is currently to London Heathrow.
Search Deals
On average, Frontier currently has the cheapest one-way flight from San Francisco (avg. price of £107).
Search Deals
London Heathrow (LHR) is currently the most popular flight destination from San Francisco (average return price of £291).
Search Deals
Price to beat on a round-trip flight from San Francisco.
Search Deals
Price to beat on a one-way flight from San Francisco.
Search Deals

Find flights from San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco
Explore the most affordable flight options available from San Francisco. Find the lowest fares based on data from user searches, with prices last updated on 23 February 2026.

Mon 13/414:15
SFO
-
SJO
1 stop17h 30m
Avianca
Tue 21/415:10
SJO
-
SFO
1 stop9h 45m
Avianca
Deal found 23/2£271
Sun 8/301:54
SFO
-
SJO
2 stops13h 52m
Copa Airlines
Wed 11/311:01
SJO
-
SFO
1 stop13h 39m
Copa Airlines
Deal found 21/2£272
Sun 22/301:54
SFO
-
SJO
2 stops13h 52m
Copa Airlines
Thu 23/410:04
SJO
-
SFO
1 stop14h 36m
Copa Airlines
Deal found 22/2£281
Sat 2/520:06
SFO
-
SJO
1 stop12h 00m
Copa Airlines
Sun 10/508:47
SJO
-
SFO
1 stop10h 27m
Copa Airlines
Deal found 23/2£292
Sun 22/301:54
SFO
-
SJO
2 stops13h 52m
Copa Airlines
Wed 1/408:13
SJO
-
SFO
1 stop11h 12m
Copa Airlines
Deal found 20/2£295
Sat 18/414:15
SFO
-
SJO
1 stop8h 25m
Multiple Airlines
Tue 21/412:20
SJO
-
SFO
2 stops26h 32m
Multiple Airlines
Deal found 21/2£306
Sun 3/520:06
SFO
-
SJO
3 stops19h 41m
Copa Airlines
Sun 10/504:10
SJO
-
SFO
1 stop20h 30m
Copa Airlines
Deal found 20/2£310
Wed 29/407:40
SFO
-
SJO
2 stops39h 05m
Alaska Airlines
Wed 6/500:55
SJO
-
SFO
2 stops21h 54m
Alaska Airlines
Deal found 23/2£317
Wed 29/407:40
SFO
-
SJO
2 stops39h 05m
Alaska Airlines
Sun 10/500:55
SJO
-
SFO
2 stops42h 46m
Alaska Airlines
Deal found 23/2£320
Wed 6/507:40
SFO
-
SJO
2 stops15h 05m
Alaska Airlines
Wed 13/500:53
SJO
-
SFO
1 stop17h 10m
Alaska Airlines
Deal found 23/2£328
Sun 26/419:40
SFO
-
MAN
1 stop29h 20m
Multiple Airlines
Sun 17/506:25
MAN
-
SFO
2 stops42h 15m
Multiple Airlines
Deal found 23/2£440
Sun 26/419:40
SFO
-
EDI
1 stop32h 35m
Multiple Airlines
Sat 9/516:00
EDI
-
SFO
2 stops37h 55m
Multiple Airlines
Deal found 21/2£440

Find flights from San Francisco within your budget

 
Find flights departing from San Francisco that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 23 February 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Tue 2/6

18:01-23:33

1 stop28h 32m

San José Juan Santamaria Intl

Thu 18/6

01:03-07:25

1 stop31h 22m

£412

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Tue 7/4

10:16-23:53

1 stop12h 37m

San José Juan Santamaria Intl

Mon 13/4

01:03-20:03

1 stop20h 00m

£438

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Fri 17/4

20:20-09:45

1 stop29h 25m

London Gatwick

Mon 4/5

21:15-14:35

2 stops25h 20m

£452

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Tue 21/4

16:35-09:45

1 stop33h 10m

London Gatwick

Tue 28/4

21:15-16:35

2 stops51h 20m

£461

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 11/5

16:35-11:10

Nonstop10h 35m

London Heathrow

Tue 19/5

07:25-14:30

1 stop15h 05m

£469

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Tue 10/3

08:00-08:30

2 stops17h 30m

Glasgow Intl

Tue 17/3

17:20-12:50

1 stop26h 30m

£479

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Wed 29/4

16:35-14:40

1 stop14h 05m

Glasgow Intl

Mon 11/5

15:35-13:50

1 stop30h 15m

£480

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Tue 21/7

16:35-14:40

1 stop14h 05m

Glasgow Intl

Mon 17/8

17:40-13:50

1 stop28h 10m

£489

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Tue 14/4

10:32-16:10

2 stops21h 38m

Glasgow Intl

Tue 28/4

06:00-11:45

1 stop13h 45m

£490

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 23/4

16:35-11:10

Nonstop10h 35m

London Heathrow

Fri 15/5

07:25-14:30

1 stop15h 05m

£490

Flights are sorted by cheapest return flights first.

Deals found on 22/2

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from San Francisco

Have a flexible travel schedule? Discover the best time to fly from San Francisco with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from San Francisco

Get recent, data-driven insights about flights from San Francisco including ideal travel times, pricing trends, and more.

When is the best time to book a flight from San Francisco?

Use this chart to determine the optimal time to book a return flight from San Francisco to Heathrow. Price data was last updated on 20 February 2026.

Booking 63 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Francisco?

Currently, October is the cheapest month in which you can book a flight from San Francisco (average of £368). Flying from San Francisco in June will prove the most costly (average of £572). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the cheapest time to fly from San Francisco?

Use this chart to determine the cheapest time to fly return from San Francisco to Heathrow. Price data was last updated on 21 February 2026.

Those who are seeking the cheapest fare on flights departing from San Francisco would be wise to consider leaving during Tuesday evenings when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Saturday at midday when fares are usually the most expensive.

Which airlines fly from San Francisco?

Many airlines operate round-trip flights from San Francisco: Virgin Atlantic, United Airlines, British Airways, Lufthansa, KLM. These airlines fly to the following popular destinations: London.

United Airlines
United Airlines
From £183
Virgin Atlantic
Virgin Atlantic
From £366
Alaska Airlines
Alaska Airlines
From £45
Frontier
Frontier
From £47

What are popular destinations to fly to from San Francisco?

If you’re flying from San Francisco, these routes are more frequently taken by airlines New York (1,231 flights per day), Los Angeles (907 flights per day) and Chicago (812 flights per day).

London
London
From £161
Los Angeles
Los Angeles
From £31
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From £36
Vancouver Intl
Vancouver Intl
From £56

What is the cheapest place to fly to from San Francisco?

The cheapest city to fly to from San Francisco is Los Angeles, with prices starting at £31. Explore other affordable destinations below.

Los Angeles
Los Angeles
From £31
Seattle/Tacoma Intl
Seattle/Tacoma Intl
From £36
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From £36
Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From £50

Airline reviews for flights from San Francisco

Get insights into the airlines that provide service from San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from San Francisco. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Check out reviews from past customers who have flown KLM, Virgin Atlantic, andUnited Airlines from San Francisco to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,460 reviews
Check prices

Overall

7.7

Boarding

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.6

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,460 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Overall

7.7

Boarding

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.6

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Virgin Atlantic
7.5
Good
679 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Overall

7.7

Boarding

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.6

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
United Airlines
7.4
Good
9,344 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Overall

7.7

Boarding

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.6

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,808 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Overall

7.7

Boarding

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.6

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,762 reviews
KLM
7.7
Good
1,460 reviews
Check prices

Overall

7.7

Boarding

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.6

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Related info for your journey

Access useful and relevant information related to your journey from San Francisco. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 23 February 2026.

  • What are the most popular destinations to fly to from San Francisco?

    This month, the top selected destinations from San Francisco are Mumbai, Bengaluru, Amritsar. Throughout the year, Mumbai, Bengaluru, Boston are some of the top choices made by users flying from San Francisco.

  • What is the cheapest flight from San Francisco to anywhere?

    Users have flown out of San Francisco for as low as £31 to Los Angeles (prices may vary depending on the airline and departure time). On average, users have booked flights for £473 to fly from San Francisco.

  • What are the cheapest airlines flying from San Francisco to anywhere?

    Over the past few days, we've found that Hawaiian Airlines, Air Canada, and Alaska Airlines have the cheapest prices from San Francisco. Hawaiian Airlines flights from San Francisco to Burbank Bob Hope (£36), Air Canada flights from San Francisco to Vancouver Intl (£37), and Alaska Airlines flights from San Francisco to Honolulu (£45).

  • What is the cheapest premium economy flight from San Francisco?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from San Francisco.
    San Francisco to Seattle from £227
    San Francisco to Boston from £428
    San Francisco to Detroit Metropolitan Wayne County Airport from £465
    San Francisco to Portland from £523

  • What is the cheapest first class flight from San Francisco?

    If you’re looking for a cheap first-class flight from San Francisco, consider Santa Ana. Prices start at £300 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from San Francisco?

    At the present moment the cheapest month to fly from San Francisco is currently October; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from San Francisco?

    Check out the cheapest flights from San Francisco to embark to:
    Travel from San Francisco to London from £360 round trip
    Travel from San Francisco to Seattle from £455 round trip
    Travel from San Francisco to Edinburgh from £475 round trip
    Travel from San Francisco to Glasgow from £475 round trip

  • How does Cheapflights help users find flights from San Francisco?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

  • Why should you use Cheapflights to find cheap flight tickets from San Francisco?

    Cheapflights helps you find that perfect flight from San Francisco by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • Can Cheapflights find flights from San Francisco with no change fees?

    Certainly. Search results for flights from San Francisco shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

  • Can Cheapflights notify me if prices for flights from San Francisco become cheaper?

    Yes! Start tracking prices for flights from San Francisco today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from San Francisco?

Cheapflights helps you find that perfect flight from San Francisco by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from San Francisco with no change fees?

Certainly. Search results for flights from San Francisco shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from San Francisco become cheaper?

Yes! Start tracking prices for flights from San Francisco today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.